Home / 72,966,849.12-100,691,244.55-43,614,364.87

Finding the Fourth Proportional to 72,966,849.12, 100,691,244.55 and 43,614,364.87

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Solution

The fourth proportional to 72,966,849.12, 100,691,244.55 and 43,614,364.87 is: 60,186,026.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,966,849.12 : 100,691,244.55 = 43,614,364.87 : x
  2. Step 2: Convert to fraction form
    72,966,849.12/100,691,244.55 = 43,614,364.87/x
  3. Step 3: Cross multiply
    72,966,849.12x = 100,691,244.55 × 43,614,364.87
  4. Step 4: Simplify right side
    72,966,849.12x = 4,391,584,679,198,481
  5. Step 5: Solve for x
    x = 4,391,584,679,198,481/72,966,849.12
  6. Step 6: Final answer
    x = 60,186,026.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.